Finding the Fourth Proportional to 8,489,895.80, 12,734,843.70 and 2,424,615.80
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Solution
The fourth proportional to 8,489,895.80, 12,734,843.70 and 2,424,615.80 is: 3,636,923.70
Step by Step Solution
- Step 1: Write the proportion equation
8,489,895.80 : 12,734,843.70 = 2,424,615.80 : x - Step 2: Convert to fraction form
8,489,895.80/12,734,843.70 = 2,424,615.80/x - Step 3: Cross multiply
8,489,895.80x = 12,734,843.70 × 2,424,615.80 - Step 4: Simplify right side
8,489,895.80x = 30,877,103,245,550.46 - Step 5: Solve for x
x = 30,877,103,245,550.46/8,489,895.80 - Step 6: Final answer
x = 3,636,923.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.